Dr Paul Found That College Students Between the Ages of 18

question 10

Multiple Choice

Dr. Paul found that college students between the ages of 18 and 23 performed better on a cognitive task in a low-noise condition than in a high-noise condition. Dr. Ben wants to repeat Dr. Paul's study by adding age as a variable-18-23 and 65-74. He predicts an interaction between the age and noise variables. In this case, Dr. Ben is questioning the _____ validity of the original study.

• A)statistical
• B)external
• C)internal
• D)interactional

---

Definitions:

Non Oil

Pertaining to economic sectors or industries that are not related to the extraction or processing of oil.

Corporation

A legal entity that is separate and distinct from its owners, capable of conducting business, entering into contracts, and owning assets.

Inventory Investment

The purchase of goods and materials for future sale or use, representing a business investment in stock.

Proprietorships

The simplest form of business organization owned by a single person, responsible for all the business’s operations and liabilities.